. >>> tonight on "world news." race against time. mitt romney gets the word ease in a slide in battleground states. what does he do today to turn it around and why is he showing up with bill clinton? >>> game over. was this the worst call ever? >> two of the worst calls at the end of a football game i can remember. >> players, fans up in arms. who are these replacement referees. find out what we learned today. >>> real money. are you losing tens of thousand of dollars. is the bank telling you what your home is really worth? how to get that money back. >>> and, look, no hands? has the jettison's car finally arrived? an announcement today, we'll soon be sharing the road with cars that drive themselves. >> go ahead much. >>> good evening. tonight we begin with the clock ticking and a candidate looking for a big move. 42 days to go until "your voice, your vote." and governor mitt romney shows him in a slide in two absolutely battleground states, ohio and florida. what is happening and how will he turn it around. david muir is with the the romney campaign tonight in ohio. david.